54815743 has 4 divisors (see below), whose sum is σ = 54917608. Its totient is φ = 54713880.

The previous prime is 54815711. The next prime is 54815777. The reversal of 54815743 is 34751845.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34751845 = 5 ⋅6950369.

It is a cyclic number.

It is not a de Polignac number, because 54815743 - 2⁵ = 54815711 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54815443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50121 + ... + 51202.

It is an arithmetic number, because the mean of its divisors is an integer number (13729402).

Almost surely, 2^54815743 is an apocalyptic number.

54815743 is a deficient number, since it is larger than the sum of its proper divisors (101865).

54815743 is a wasteful number, since it uses less digits than its factorization.

54815743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101864.

The product of its digits is 67200, while the sum is 37.

The square root of 54815743 is about 7403.7654608989. The cubic root of 54815743 is about 379.8700917899.

The spelling of 54815743 in words is "fifty-four million, eight hundred fifteen thousand, seven hundred forty-three".